2018 VOLVO S90 B4204T27/B4204T33 (P2 SPA)
P2 SPA / Sedan / Global (with regional engine variations)
B4204T27B4204T33B5154T3B5254T8Exact year/trim recordSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Electrical system issues related to infotainment and sensors
- Diesel particulate filter clogging in diesel variants under city driving
First checks
- Verify engine oil level and quality
- Check turbocharger operation and listen for unusual noises
- Inspect DSG software update status if applicable
Before replacing parts
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- Engine variants and equipment differ slightly by region (Europe, USA, China).
- Oil capacity and technical data can vary with engine and country due to emissions and tuning.
- S90 shares SPA platform with XC90 and V90; parts may be interchangeable in some cases.